Game board



FIG. 1 is a perspective view of an ornamental design for a game board;

FIG. 2 is a top view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a back view thereof.

The broken lines in FIGS. 1 and 3 are for illustrative purposes only and form no part of the design. 

CLAIM The ornamental design for a game board, as shown and described. 